Alert archive / Texas / Tornado Watches in 2006
Tornado Watch 256
The Storm Prediction Center issued this tornado watch at Apr 28, 2006, 11:36 AM CDT for 7 counties in Oklahoma; 45 counties in Texas. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2006, 11:36 AM CDT (16:36 UTC)
- Expired
- Apr 28, 2006, 9:00 PM CDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 70 kt
All 52 counties
Comanche County, OK, Cotton County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Brown County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Eastland County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 118 km from the middle of the area, began a volume at 16:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
45 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 11:45 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Taylor | 30 min |
| Apr 28, 12:19 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 26 min |
| Apr 28, 12:26 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 16 min |
| Apr 28, 1:00 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Concho, McCulloch | 45 min |
| Apr 28, 1:08 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 37 min |
| Apr 28, 1:10 PM CDT | Severe Thunderstorm Warning | MAF | Scurry | 65 min |
| Apr 28, 1:28 PM CDT | Severe Thunderstorm Warning | LUB | King | 51 min |
| Apr 28, 1:58 PM CDT | Severe Thunderstorm Warning | LUB | Kent | 32 min |
| Apr 28, 2:06 PM CDT | Severe Thunderstorm Warning | SJT | Concho | 24 min |
| Apr 28, 2:16 PM CDT | Severe Thunderstorm Warning | LUB | Stonewall | 44 min |
| Apr 28, 2:24 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan | 52 min |
| Apr 28, 2:31 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 44 min |
| Apr 28, 2:31 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 17 min |
| Apr 28, 2:55 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 35 min |
| Apr 28, 3:23 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell | 59 min |
| Apr 28, 4:02 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 28 min |
| Apr 28, 4:26 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 34 min |
| Apr 28, 4:34 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 26 min |
| Apr 28, 4:47 PM CDT | Severe Thunderstorm Warning | MAF | Reagan | 39 min |
| Apr 28, 4:54 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 36 min |
| Apr 28, 5:01 PM CDT | Severe Thunderstorm Warning | OUN | Harmon | 44 min |
| Apr 28, 5:04 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Nolan, Taylor | 26 min |
| Apr 28, 5:14 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 61 min |
| Apr 28, 5:24 PM CDT | Severe Thunderstorm Warning | OUN | Greer | 51 min |
| Apr 28, 5:24 PM CDT | Severe Thunderstorm Warning | LUB | Stonewall | 39 min |
| Apr 28, 5:28 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Jones, Shackelford | 47 min |
| Apr 28, 5:30 PM CDT | Severe Thunderstorm Warning | SJT | Nolan, Taylor | 45 min |
| Apr 28, 5:52 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 38 min |
| Apr 28, 5:55 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Hall | 51 min |
| Apr 28, 6:13 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Shackelford | 32 min |
| Apr 28, 6:27 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 17 min |
| Apr 28, 6:36 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 39 min |
| Apr 28, 6:36 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 24 min |
| Apr 28, 6:42 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 33 min |
| Apr 28, 6:49 PM CDT | Severe Thunderstorm Warning | SJT | Runnels, Taylor | 56 min |
| Apr 28, 7:02 PM CDT | Severe Thunderstorm Warning | FWD | Stephens | 58 min |
| Apr 28, 7:21 PM CDT | Severe Thunderstorm Warning | OUN | Hardeman | 39 min |
| Apr 28, 7:29 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 61 min |
| Apr 28, 7:30 PM CDT | Severe Thunderstorm Warning | MAF | Reagan | 45 min |
| Apr 28, 7:49 PM CDT | Severe Thunderstorm Warning | OUN | Jackson | 41 min |
| Apr 28, 7:58 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto, Stephens | 62 min |
| Apr 28, 8:04 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 41 min |
| Apr 28, 8:13 PM CDT | Tornado Warning | FWD | Palo Pinto, Stephens | 47 min |
| Apr 28, 8:41 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Tom Green | 64 min |
| Apr 28, 8:51 PM CDT | Severe Thunderstorm Warning | FWD | Jack, Palo Pinto, Parker | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 4.6 hours before the alert went out and 257 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 434 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:03 AM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Harper, Texas | 117 min |
| Apr 28, 10:23 AM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Ellis, Greer, Harmon, Jackson and 3 more | 97 min |
| Apr 28, 1:04 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Jefferson and 5 more | 86 min |
| Apr 28, 6:07 PM CDT | Mesoscale Discussion | SPC | Caddo, Carter, Comanche, Cotton, Garvin, Grady and 11 more | 53 min |
| Apr 28, 6:42 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Carter, Coal, Comanche, Cotton and 11 more | 7 hr |
| Apr 28, 10:43 AM CDT | Mesoscale Discussion | SPC | Borden, Crosby, Dawson, Garza, Glasscock, Howard and 8 more | 92 min |
| Apr 28, 1:13 PM CDT | Mesoscale Discussion | SPC | Bandera, Crockett, Edwards, Gillespie, Kerr, Kimble and 10 more | 62 min |
| Apr 28, 1:20 PM CDT | Mesoscale Discussion | SPC | Briscoe, Cottle, Dickens, Floyd, Foard, Hall and 7 more | 85 min |
| Apr 28, 1:28 PM CDT | Tornado Watch | SPC | Bandera, Blanco, Crockett, Edwards, Gillespie, Kendall and 13 more | 6 hr |
| Apr 28, 3:38 PM CDT | Mesoscale Discussion | SPC | Childress, Coke, Cottle, Dickens, Fisher, Foard and 17 more | 2 hr |
| Apr 28, 3:42 PM CDT | Mesoscale Discussion | SPC | Bandera, Crockett, Edwards, Gillespie, Kendall, Kerr and 11 more | 2 hr |
| Apr 28, 6:18 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Brazos, Brown, Burnet, Callahan and 42 more | 87 min |
Nearby
Tornado Watches in Texas, 2006Tornado Watches in Oklahoma, 2006Every tornado watch in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.